CN104575941A - Coil component and manufacturing method thereof - Google Patents
Coil component and manufacturing method thereof Download PDFInfo
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- CN104575941A CN104575941A CN201410022912.9A CN201410022912A CN104575941A CN 104575941 A CN104575941 A CN 104575941A CN 201410022912 A CN201410022912 A CN 201410022912A CN 104575941 A CN104575941 A CN 104575941A
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- coil
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- core
- coil block
- drum core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/064—Winding non-flat conductive wires, e.g. rods, cables or cords
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F2027/297—Terminals; Tapping arrangements for signal inductances with pin-like terminal to be inserted in hole of printed path
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling
Abstract
A coil component and a manufacturing method thereof are provided. The coil component is capable of significantly decreasing interference between coil components while implementing a plurality of coil components as a single component. The coil component according to an exemplary embodiment may include: at least two drum cores; a plurality of coils wound around each of the respective drum cores; and a base interposed between the two drum cores.
Description
This application claims and be submitted to the rights and interests of the 10-2013-0126668 korean patent application of Korean Intellectual Property Office on October 23rd, 2013, disclosed in this application, content is contained in this by reference.
Technical field
The disclosure relates to a kind of coil block and manufacture method thereof, more particularly, relates to and is a kind ofly allowing that multiple coil is as the effective significantly reduced coil block of interference of allowing between coil of single component simultaneously.
Background technology
Switched-mode power supply (SMPS) is often used as the supply unit in electric device and electronic installation (such as, display unit, printer etc.).
(as module-power commercial power is converted to and is applicable to various electric device and electronic installation (such as, computer, television set (TV), video cassette recorder (VCR), distribution board, radio communication device etc.) form) such SMPS be used for the FREQUENCY CONTROL switch higher than commercial frequency, and utilize semiconductor switch characteristic alleviate impact.
Recently, along with the increase of TV size, need the power of a large amount.Therefore, in order to meet this needs, multiple coil block can be installed in the smps, for the illuminalive power-supply of the backlight for large panel.
Usually, when according to the installation of prior art coil block in the smps, an assembly comprises a coil.
But along with the increase of the size of panel, multiple coil block can be installed in the smps, therefore, possible Problems existing is: the size of SMPS can increase.In addition, because multiple coil block should be arranged in substrate, so the shortcoming that may exist is: productivity ratio can reduce and manufacturing cost can raise.
[prior art document]
(patent documentation 1) Korea Patent Laid is open: No. 2009-0040798
Summary of the invention
One side of the present disclosure can provide a kind of and allow the coil block that coil is automatically wound around and manufacture method thereof.
One side of the present disclosure can provide a kind of coil block and manufacture method thereof of allowing winding around under the state combined in core and substrate.
In addition, one side of the present disclosure also can provide a kind of coil block that can easily use in relatively little electronic installation and manufacture method thereof.
In addition, even if one side of the present disclosure also can provide when multiple coiler part one is in single component, coil block and the manufacture method thereof of the interference between coil can also be reduced significantly.
According to one side of the present disclosure, a kind of coil block can comprise: at least two bulging cores; Multiple coil, be wrapped in each drum core each on; Substrate, between two bulging cores.
Described bulging core can be attached to substrate and arrange according to linear mode to make the central shaft of drum core and substrate.
Described bulging core can comprise: main part, and described coil winding is on described main part; Flange part, extends from the two ends of described main part.
At least one flange part of described bulging core can be attached to a surface of described substrate.
Described substrate can comprise at least one core holding tank, and the flange part of described bulging core is attached in described core holding tank with inserting.
Multiple external connection terminals can be attached to lower surface or the sidepiece of described substrate.
Described substrate can comprise from the outstanding portion of terminal of the sidepiece of substrate, and described external connection terminals can be attached to described portion of terminal.
Described bulging core can be formed by manganese-zinc (Mn-Zn) ferrite.
The insulating barrier formed by insulating resin can be formed on the outer surface of described bulging core.
According to another aspect of the present disclosure, a kind of coil block can comprise: substrate; At least two coiler parts, are attached to two surfaces of described substrate respectively.
Each in described coiler part comprises: drum core, is attached to described substrate; Coil, is wrapped on described bulging core.
Described two coiler parts can be attached to described substrate and arrange according to linear mode to make each central shaft of each drum core.
Described two coiler parts can be formed as making the binding factor between coiler part be 0.3 or less.
According to another aspect of the present disclosure, provide a kind of manufacture method of coil block, described manufacture method comprises: two ends drum core being attached to respectively substrate; The substrate that drum core is bonded thereto is arranged in automatic winding apparatus; Described automatic winding apparatus is used to be roused on core by coil winding.
Coil winding can be included on drum core winding around while the assembly that drum core and substrate are bonded to each other rotates.
Can be comprised on drum core by coil winding uses the central shaft of drum core as rotating shaft, assembly to be rotated.
Described bulging core can comprise: main part, and described coil winding is on described main part; Flange part, extends from the two ends of described main part, and described substrate is arranged in automatic winding apparatus can comprise by drum core flange part be attached to described automatic winding apparatus.
According to another aspect of the present disclosure, a kind of coil block can be manufactured by manufacture method as above.
Accompanying drawing explanation
By the detailed description of carrying out below in conjunction with accompanying drawing, above and other aspect of the present disclosure, feature and other advantages will clearly be understood, in the accompanying drawings:
Fig. 1 is the perspective view of the coil block schematically shown according to exemplary embodiment of the present disclosure;
Fig. 2 is the end view of the removed coil block of coil shown in Fig. 1;
Fig. 3 is the decomposition diagram of the removed coil block of coil shown in Fig. 1;
Fig. 4 is the view of the manufacture method for explaining coil block according to exemplary embodiment of the present disclosure;
Fig. 5 is the perspective view of the coil block schematically shown according to another exemplary embodiment of the present disclosure;
Fig. 6 is the end view of the removed coil block of coil shown in Fig. 5.
Embodiment
Now, exemplary embodiment of the present disclosure is described with reference to the accompanying drawings in detail.
Fig. 1 is the perspective view of the coil block schematically shown according to exemplary embodiment of the present disclosure, and Fig. 2 is the end view of the removed coil block of coil shown in Fig. 1, and Fig. 3 is the decomposition diagram of the removed coil block of coil shown in Fig. 1.
Referring to figs. 1 through Fig. 3, can be that the coil block used in direct current (DC)/DC transducer is in the supply being set according to the coil block 100 of exemplary embodiment of the present disclosure, and bulging core 80, coil 70 and substrate 50 can be comprised.
Drum core 80(coil 70 is wrapped in a part for bulging core 80, will describe below) flange part 84 that can comprise columniform main part 82 and extend from the two ends of main part 82.
The flange part 84 of drum core 80 can be formed as having disc-shape.In addition, flange part 84 can be formed as being of similar shape at the two ends place of main part 82.
Flange part 84 can be divided into convex edge 84a and outward flange section 84b according to its forming position.Convex edge 84a can refer to the part being attached to substrate 50, and peripheral portion 84b can refer to be exposed to outside part.
Meanwhile, in this exemplary embodiment, described situation about having the same dimensions as each other at flange part 84a and 84b at the two ends place of main part 82 by example, but the disclosure is not limited thereto.That is, if needed, flange part 84 can differently be implemented.Such as, the comparable flange part 84 being formed in the other end of the flange part 84 of any one end is formed in large.
Such as, the size being attached to the convex edge 84a of substrate 50 can be formed as relatively less than the size of outward flange section 84b.In this case, the size due to substrate 50 can be reduced to corresponding with the size of convex edge 84a, and therefore, the overall dimensions of coil block 100 can reduce.
In addition, in this exemplary embodiment of the present disclosure, describe whole flange part 84 by example and be formed as round-shaped situation.But structure of the present disclosure is not limited thereto, and as required, flange part 84 can be formed as having different shapes (such as, polygonal shape etc.).
Bulging core 80 as above can by having high magnetic permeability compared with other materials, low-loss, high saturation magnetic flux density, stability ferrite that is strong and low production cost formed.
Such as, can be formed by nickel (Ni) based ferrite or manganese (Mn) based ferrite according to the bulging core 80 of this exemplary embodiment.Specifically, when being used as drive coil 70 according to the coil block 100 of this exemplary embodiment, when drum core 80 is formed by manganese based ferrite, higher efficiency can be realized.
More particularly, rouse core 80 to be formed by MnZn (Mn-Zn) ferrite.Compared with use nickel zinc (Ni-Zn) ferritic situation, when using Mn-Zn ferrite to form bulging core 80, current capacity can increase.Therefore, in the drive coil 70 using big current, Mn-Zn ferrite is preferably used.
Meanwhile, when using Mn-Zn ferrite to form bulging core 80, the insulation resistance of drum core 80 can be made to weaken.Therefore, in this case, insulating barrier (not shown) can be added to the outer surface of bulging core 80.Here, insulating barrier can be formed by insulating resin (such as, epoxy resin).
Coil block 100 according to this exemplary embodiment constructed as mentioned above can comprise two bulging cores 80.Coil 70 is on to be wrapped in two bulging cores 80 each, using as independently coiler part (that is, coil block) operation.
Coil 70 can be wrapped on the main part 82 of bulging core 80.
Single cord can be used as coil 70 or the Litz wire formed can be used by being tangled to together by multi cord as coil 70.Can be electrically connected at the lead-in wire of two ends of coil 70 and be physically connected to and be arranged on pedestal 50(and will be described below) in external connection terminals 60.
In addition, according in the coil block 100 of this exemplary embodiment, the coil 70 be wrapped on two bulging cores 80 can be wound around respectively along different directions from each other (that is, contrary direction).Such as, when coil 70 is wrapped on a bulging core 80 clockwise, coil 70 can along being counterclockwise wrapped on another drum core 80.But the disclosure is not limited thereto, and if need, the winding of coil can differently be implemented.Such as, coil can be wound around along mutually the same direction along the winding of contrary direction or two coils 70 as mentioned above.
The convex edge 84a of drum core 80 can be attached to substrate 50.Therefore, substrate 50 can have such structure, and in the structure shown here, drum core 80 can firmly be firmly adhered to substrate 50, and meanwhile, the main part 82 of drum core 80 can be exposed, for automatic winding.
More particularly, can have in plate shaped main body according to the substrate 50 of this exemplary embodiment and core holding tank 55 and external connection terminals 60 can be comprised.
Core holding tank 55 can be respectively formed in two planes of substrate 50.Core holding tank 55 is that drum core 80 is received and combined part.Therefore, core holding tank 55 can be formed according to flute profile, and the flange part 84 of drum core 80 can be inserted in described core holding tank 55.
In detail, core holding tank 55 can be formed according to the shape of flange part 84 (that is, circular recess).In addition, core holding tank 55 can have the degree of depth of the thickness being less than or equal to flange part 84.
According in the coil block 100 of this exemplary embodiment, automatic winding apparatus (90 in Fig. 4) can be used to be roused on core 80 by coil 70 automatic winding.Therefore, the main part 82(coil 70 rousing core 80 is wound around region thereon) need to be exposed to outside completely.
For this reason, according in the coil block 100 of this exemplary embodiment, when drum core 80 is attached to core holding tank 55, rouses core 80 and be inserted into, make the main part 82 of drum core 80 be fully exposed outside.That is, the inner surface of convex edge 84a can be attached to the outer surface of substrate 50, to arrange on the same plane with the outer surface of substrate 50 or to give prominence to from the outer surface of substrate 50.
In addition, two the core holding tanks 55 be formed in two surfaces of substrate 50 can be formed as arranging according to linear (linear) mode (that is, two core holding tanks 55 are arranged coaxially).Therefore, when drum core 80 is attached to two core holding tanks 55 each, two bulging cores 80 can be arranged so that the central shaft P of main part 82 is according to linear mode formation (that is, two main parts 82 are arranged coaxially).
Here, when winding around 70, the central shaft P of drum core 80 can be used as the rotating shaft of coil block 100.
In addition, rouse core 80 and be firmly firmly bonded to substrate 50 by binding agent etc.
External connection terminals 60 can according to external connection terminals 60 from substrate 50 shape cooperation outwardly to substrate 50.In this exemplary embodiment, external connection terminals 60 is described from the downward outstanding situation of substrate 50 by example.
But the disclosure is not limited thereto.That is, external connection terminals 60 can be combined into towards the sidepiece of substrate 50 instead of give prominence to towards the bottom of substrate 50 and the shape that partly can bend according to external connection terminals 60 formation.
In addition, as shown in Figure 3, four external connection terminals 60 can be comprised according to the substrate 50 of this exemplary embodiment.Reason is constructed to comprise two coils 70 according to the coil block 100 of this exemplary embodiment.Therefore, the coil block 100 according to exemplary embodiment of the present disclosure is not limited thereto, and the quantity being included in the external connection terminals 60 in coil block 100 can be corresponding with the quantity of the coil 70 be included in coil block 100.
Substrate 50 as above easily manufactures by injection moulding, but is not limited thereto, and can pass through diverse ways (such as, punch process (press processing) method) manufacture.In addition, preferably, can be formed by dielectric resin material and the material with high-fire resistance and high withstand voltage according to the pedestal 50 of this exemplary embodiment.
Polyphenylene sulfide (PPS), liquid crystal polyester (LCP), polybutylene terephthalate (PBT) (PBT), PETG (PET), phenolic resins etc. can be used as the material forming substrate 50.
At described above structure according in the coil block 100 of this exemplary embodiment, two coiler parts of operation independent of one another can be implemented in single coil assembly 100.When implementing multiple independently coiler part in single component, need to make the minimum interference between the magnetic flux that produces in each coiler part.
That is, preferably make the magnetic flux produced in two coiler parts be formed as making binding factor K between them close to ' 0 ', and when formed magnetic flux make binding factor be at least 0.3 or less time, the deviation of output current can be made to reduce.
For this reason, be constructed to that there is such structure according to the coil block 100 of this exemplary embodiment, in the structure shown here, two bulging cores 80 are attached to a substrate 50 and substrate 50 between two bulging cores 80, and the binding factor between coiler part can be made to remain on 0.3 or less by this structure.
Therefore, eachly can be used as independently coiler part n-back test during coil 70 is wound around thereon each drum core 80.
Meanwhile, be constructed to be suitable for automatic manufacture method according to the coil block 100 of this exemplary embodiment.That is, according in the coil block 100 of this exemplary embodiment, can independent automatic winding apparatus be used to be wrapped on bulging core 80 by coil 70 under the state that all drum core 80 and substrate 50 are bonded to each other.
Below, the manufacture method according to coil block of the present disclosure will be described.Also describe above-mentioned coil block structure with being described clearly below will be passed through.
Fig. 4 is the view of the manufacture method for explaining coil block according to exemplary embodiment of the present disclosure.
With reference to Fig. 3 and Fig. 4, in the manufacture method of the coil block according to this exemplary embodiment, first, step drum core 80 being attached to substrate 50 can be performed.
In this case, if needed, binding agent can be set in the part of substrate 50 contact drum core 80.That is, before drum core 80 is attached to substrate 50, binding agent can be applied in core holding tank 55.But the disclosure is not limited thereto, and when rousing the adhesion between core 80 and substrate 50 and being enough, binding agent can be omitted in this step.
When drum core 80 and substrate 50 are bonded to each other, then, can perform the step of coil winding on drum core 80.This step performs by independent automatic winding apparatus 90.
As shown in Figure 4, rouse the assembly that core 80 and substrate 50 be bonded to each other can be arranged in automatic winding apparatus 90.In this case, the rotating shaft S of the automatic winding apparatus 90 and rotating shaft P of said modules can be arranged according to linear mode.Here, the rotating shaft P of described assembly can be the central shaft P of the main part 82 rousing core 80 as above.
In addition, any one flange part 84 in two of assembly bulging cores 80 can be fixedly joined to the joint portion 92 of automatic winding apparatus 90.In this case, assembly is combined into the joint portion 92 making automatic winding apparatus 90 and does not give prominence to towards main part 82.
Therefore, when assembly is attached to the joint portion 92 of automatic winding apparatus 90, the main part 82 of drum core 80 remains under whole main part 82 is exposed to outside state.
Then, after one end of coil 70 is connected to external connection terminals 60, coil 70 can be wrapped on the main part 82 of bulging core 80 while assembly rotates.Therefore, be wrapped on the outer surface of main part 82 while in the space of coil 70 between the flange part 84 being inserted into bulging core 80.
Here, the winding of coil 70 is performed by making the rotating shaft 94 of automatic winding apparatus 90 rotate.In addition, the while that the ozzle 95 of automatic winding apparatus 90 being reciprocating in the length range D of main part 82 can from the outside of main part 82 supply coil 70 constantly.
Meanwhile, the winding of coil 70 can perform in such a manner, and a bulging core 80 twines coil completely, then, and another drum core 80 winding around 70.But, when being provided with two ozzle 95 in automatic winding apparatus 90, can coil 70 be wound on two bulging cores 80 simultaneously.In this case, effectively manufacturing time can be reduced.
When completing the winding of coil 70, the far-end (that is, lead-out wire) of coil 70 is connected to external connection terminals 60.Therefore, the coil block 100 according to this exemplary embodiment shown in Fig. 1 can be completed.
After this, if needed, also can perform the step that uses slicken solder etc. to be bonded to each other by the lead-out wire of external connection terminals 60 and coil 70 or coil block 100 is immersed in and be filled with insulating resin (such as, paint etc.) solution in, make coil 70, drum core 80 and the step that combines with being fixed to one another of substrate 50 to use insulating resin.
In the manufacture method of the coil block according to this exemplary embodiment constructed as mentioned above, under the state that can be bonded to each other at drum core 80 and substrate 50, be wound around 70.Therefore, coil block 100 only can use the process of building drum core 80 and substrate 50 and is wrapped in by coil 70 on bulging core 80 and manufacture with process coil being connected to external connection terminals 60.
Therefore, and be first wrapped in by coil 70 on bulging core 80, drum core 80 is fixed to substrate 50, then connecting coil 70 is compared with the method for external connection terminals 60, its advantage with: coil block can easily manufacture.
In addition, according in the coil block 100 of this exemplary embodiment, the central shaft P of drum core 80 can be set to be formed according to linear mode.Therefore, due to automatic winding apparatus 90 can be used automatically to be wound on bulging core 80 by coil 70, so the time consumed for winding around 70 can be reduced, thus its manufacturing time can be reduced.
In addition, according in the coil block 100 of this exemplary embodiment, two coiler parts can be used as single component and are implemented.Therefore, be constructed to independent assembly according to two coiler parts of prior art and compared with the situation of installing respectively, the space (or region) that coil block is installed to the substrate on it can be reduced, and can manufacturing cost be reduced.
In addition, according in the coil block 100 of this exemplary embodiment, even if when two coiler part one are in single coil assembly, because the binding factor in drum core is 0.3 even less, so coil block 100 also can obtain the effect identical with the situation that two coiler parts are constructed to independent assembly respectively.
Meanwhile, the disclosure is not limited to above-described embodiment, but can differently implement.
Fig. 5 is the perspective view of the coil block schematically shown according to another exemplary embodiment of the present disclosure, and Fig. 6 is the end view of the coil block shown in Fig. 5.Here, coil is eliminated in figure 6.
Except the structure of substrate 50, according to the coil block 200 of this exemplary embodiment, there is the structure similar with the coil block (100 of Fig. 1) according to above-mentioned exemplary embodiment.Therefore, will the detailed description to same components be omitted, and will mainly describe the structure of substrate 50 in detail.In addition, identical label describes the parts identical with the parts in above-described embodiment by being used for.
With reference to Fig. 5 and Fig. 6, similar to the above embodiments, coil 70, drum core 80 and substrate 50 can be comprised according to the coil block 200 of this exemplary embodiment.
According in the substrate 50 of this exemplary embodiment, external connection terminals 60 be not be attached to substrate 50 bottom but can be incorporated into from the outstanding portion of terminal 52 in the side of substrate 50.
In addition, portion of terminal 52 can from the sidepiece of substrate 50 outwardly.More particularly, portion of terminal 52 can be given prominence to along the direction of the axis perpendicular to drum core 80.
Because independent portion of terminal 52 is arranged in substrate 50, so the thickness of the substrate 50 according to this exemplary embodiment can be reduced significantly.That is, can be formed as that there is the thickness with the equal diameters of the flange part 84 of drum core 80 according to the substrate 50 of this exemplary embodiment.Therefore, the height of coil block 200 can reduce significantly.
Meanwhile, be not limited to above-described embodiment according to coil block of the present disclosure and above-mentioned manufacture method thereof, but can differently implement.
In addition, although describe the coil block used in the DC/DC transducer being applied to power supply in this exemplary embodiment, but coil block is not limited thereto, but coil block can be widely used in electronic building brick and electronic installation, as long as coil block uses coil and core.
As mentioned above, according in the coil block of exemplary embodiment of the present disclosure, two coiler parts are constructed to single component.Therefore, be constructed to independent assembly according to two coiler parts of prior art and compared with the situation of installing respectively, except reducing except manufacturing cost, also can reduce the space (or region) that coil block is installed to the substrate on it.
In addition, according in the coil block of this exemplary embodiment, even if when two coiler part one are in single coil assembly, because the binding factor in drum core is 0.3 or less, so coil block also can obtain the effect of the situation same degree being constructed to independent assembly with two coiler parts respectively.
In addition, according in the manufacture method of coil block of the present disclosure, winding around under the state that can be bonded to each other at drum core and substrate.Therefore, coil block only can use drum core and the process that is fixed to one another of substrate and be manufactured with process coil being connected to external connection terminals on drum core by coil winding.
Therefore, with first by coil winding drum core on, drum core is assembled to substrate, then connecting coil is compared with the method for external connection terminals, it is advantageous that: coil block can easily manufacture.
In addition, according in coil block of the present disclosure, the central shaft of drum core can be set to be formed according to linear mode.Therefore, due to automatic winding apparatus can be used automatically to be wound on bulging core by coil, therefore can reduce the time consumed for winding around, thus reduce its manufacturing time needed.
Although illustrate and describe exemplary embodiment above, it will be apparent to one skilled in the art that when not departing from the spirit and scope of the present disclosure be defined by the claims, can modify and modification.
Claims (18)
1. a coil block, comprising:
At least two bulging cores;
Multiple coil, be wrapped in each drum core each on;
Substrate, between two bulging cores.
2. coil block as claimed in claim 1, wherein, described bulging core is attached to substrate, arranges according to linear mode to make the central shaft of described bulging core and substrate.
3. coil block as claimed in claim 1, wherein, each bulging core comprises: main part, and coil winding is on described main part; Flange part, extends from the two ends of described main part.
4. coil block as claimed in claim 3, wherein, at least one flange part of drum core is attached to a surface of described substrate.
5. coil block as claimed in claim 3, wherein, described substrate comprises at least one core holding tank, and the flange part of drum core is attached at least one core holding tank described with inserting.
6. coil block as claimed in claim 1, wherein, multiple external connection terminals is attached to lower surface or the sidepiece of described substrate.
7. coil block as claimed in claim 6, wherein, described substrate comprises from the outstanding portion of terminal of the sidepiece of substrate, and described external connection terminals is attached to described portion of terminal.
8. coil block as claimed in claim 1, wherein, described bulging core is formed by manganese-zinc ferrite.
9. coil block as claimed in claim 1, wherein, the insulating barrier formed by insulating resin is formed on the outer surface of bulging core.
10. a coil block, comprising:
Substrate;
At least two coiler parts, are attached to two surfaces of described substrate respectively.
11. coil blocks as claimed in claim 10, wherein, each in described coiler part comprises:
Drum core, is attached to described substrate;
Coil, is wrapped on described bulging core.
12. coil blocks as claimed in claim 11, wherein, two coiler parts are attached to described substrate, arrange according to linear mode to make each central shaft of each drum core.
13. coil blocks as claimed in claim 10, wherein, two coiler parts are formed as making the binding factor between coiler part be 0.3 or less.
The manufacture method of 14. 1 kinds of coil blocks, described manufacture method comprises:
Drum core is attached to respectively the two ends of substrate;
The substrate be attached to above of drum core is arranged in automatic winding apparatus;
Described automatic winding apparatus is used to be roused on core by coil winding.
15. manufacture methods as claimed in claim 14, wherein, are included in winding around while the assembly that drum core and substrate are bonded to each other rotates on drum core by coil winding.
16. manufacture methods as claimed in claim 15, wherein, comprise coil winding and use the central shaft of drum core as rotating shaft, assembly to be rotated on drum core.
17. manufacture methods as claimed in claim 14, wherein, described bulging core comprises: main part, and coil winding is on described main part; Flange part, extends from the two ends of described main part,
Described substrate is arranged on automatic winding apparatus comprise by drum core flange part be fixedly joined to described automatic winding apparatus.
The coil block that 18. 1 kinds of manufacture methods by claim 14 manufacture.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130126668A KR101588700B1 (en) | 2013-10-23 | 2013-10-23 | Coil component and manufacturing method there of |
| KR10-2013-0126668 | 2013-10-23 |
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| Publication Number | Publication Date |
|---|---|
| CN104575941A true CN104575941A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410022912.9A Pending CN104575941A (en) | 2013-10-23 | 2014-01-17 | Coil component and manufacturing method thereof |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20150109082A1 (en) |
| KR (1) | KR101588700B1 (en) |
| CN (1) | CN104575941A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11031164B2 (en) | 2017-09-29 | 2021-06-08 | Apple Inc. | Attachment devices for inductive interconnection systems |
| KR102219671B1 (en) | 2019-05-17 | 2021-02-24 | (주) 트랜스온 | Sq type line filter and manufacturing method thereof |
| KR102127430B1 (en) | 2019-06-07 | 2020-06-26 | (주) 트랜스온 | Coil assembly for sq type line filter |
| KR102127433B1 (en) | 2019-06-07 | 2020-06-26 | (주) 트랜스온 | Coil assembly for sq type line filter and manufacturing method thereof |
| KR102473031B1 (en) | 2021-04-09 | 2022-12-02 | (주) 트랜스온 | Sq type line filter having improved electrical property |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1218965A (en) * | 1997-11-28 | 1999-06-09 | 太阳诱电株式会社 | Changeable linear coil |
| CN1596452A (en) * | 2001-11-14 | 2005-03-16 | 艾塞而萨斯科技股份有限公司 | Controlled induction device and method of manufacturing |
| JP2007180073A (en) * | 2005-12-26 | 2007-07-12 | Tdk Corp | Filter element |
| US20120280779A1 (en) * | 2011-05-02 | 2012-11-08 | Hsueh-Ming Shih | Common mode choke emi filter of an led driver |
| CN103177849A (en) * | 2011-12-20 | 2013-06-26 | 三星电机株式会社 | Coil component and manufacturing method there of |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2748212B2 (en) * | 1992-08-08 | 1998-05-06 | 東光株式会社 | Composite coil |
| KR100906506B1 (en) | 2007-10-22 | 2009-07-07 | 부전전자 주식회사 | Surface Mount Type Inductor Array Apparatus |
| KR101093112B1 (en) * | 2010-01-14 | 2011-12-13 | 주식회사 코일마스터 | The inductor which has the separation type magnetic circuit of multiple |
-
2013
- 2013-10-23 KR KR1020130126668A patent/KR101588700B1/en active IP Right Grant
-
2014
- 2014-01-06 US US14/147,829 patent/US20150109082A1/en not_active Abandoned
- 2014-01-17 CN CN201410022912.9A patent/CN104575941A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1218965A (en) * | 1997-11-28 | 1999-06-09 | 太阳诱电株式会社 | Changeable linear coil |
| CN1596452A (en) * | 2001-11-14 | 2005-03-16 | 艾塞而萨斯科技股份有限公司 | Controlled induction device and method of manufacturing |
| JP2007180073A (en) * | 2005-12-26 | 2007-07-12 | Tdk Corp | Filter element |
| US20120280779A1 (en) * | 2011-05-02 | 2012-11-08 | Hsueh-Ming Shih | Common mode choke emi filter of an led driver |
| CN103177849A (en) * | 2011-12-20 | 2013-06-26 | 三星电机株式会社 | Coil component and manufacturing method there of |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101588700B1 (en) | 2016-01-28 |
| KR20150046989A (en) | 2015-05-04 |
| US20150109082A1 (en) | 2015-04-23 |
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